Scanning activity on Palo Alto Networks portals surged 500% amid rising cyber threats.
Threat intelligence firm GreyNoise has reported a staggering 500% increase in scanning activity targeting Palo Alto Networks login portals on October 3, 2025, with approximately 1,300 unique IP addresses involved, predominantly from the U.S. This surge is reminiscent of a similar spike in scanning activity related to Cisco Adaptive Security Appliances, raising concerns about potential exploits and recent vulnerabilities. The overlap in the fingerprinting of the scanning tools suggests a coordinated effort, reinforcing the need …
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